单词	piston packing
释义	piston packing 活塞密封圈
随便看	modular testing modular theory modular tooling system modular transformation modular triangle modular tubes modular tv receiver modular two addition modular two multiplication modular two multiplier modular type relay interlocking modular type signal mechanism modular unit modular unit for modular machine modular unit for transfer line modular weapon modulas modulat modulatable braking modulate modulated modulated afterburner modulated air stream loudspeaker modulated amplifier modulated amplifier valve 遗世绝俗遗世越俗遗休余烈遗俗绝尘遗华反质遗名去利遗哂大方遗声余价遗声坠绪遗大投艰 52099 52100 52101 52102 52103 52104 52105 52106 52107 52108